Home / 8,901.98-13,355.74-6,437.69

Finding the Fourth Proportional to 8,901.98, 13,355.74 and 6,437.69

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Solution

The fourth proportional to 8,901.98, 13,355.74 and 6,437.69 is: 9,658.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,901.98 : 13,355.74 = 6,437.69 : x
  2. Step 2: Convert to fraction form
    8,901.98/13,355.74 = 6,437.69/x
  3. Step 3: Cross multiply
    8,901.98x = 13,355.74 × 6,437.69
  4. Step 4: Simplify right side
    8,901.98x = 85,980,113.84
  5. Step 5: Solve for x
    x = 85,980,113.84/8,901.98
  6. Step 6: Final answer
    x = 9,658.54

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.