Home / 9,187.74-12,679.02-4,995.98

Finding the Fourth Proportional to 9,187.74, 12,679.02 and 4,995.98

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Solution

The fourth proportional to 9,187.74, 12,679.02 and 4,995.98 is: 6,894.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,187.74 : 12,679.02 = 4,995.98 : x
  2. Step 2: Convert to fraction form
    9,187.74/12,679.02 = 4,995.98/x
  3. Step 3: Cross multiply
    9,187.74x = 12,679.02 × 4,995.98
  4. Step 4: Simplify right side
    9,187.74x = 63,344,130.34
  5. Step 5: Solve for x
    x = 63,344,130.34/9,187.74
  6. Step 6: Final answer
    x = 6,894.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.