Home / 7,152.19-9,870.63-4,008.98

Finding the Fourth Proportional to 7,152.19, 9,870.63 and 4,008.98

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Solution

The fourth proportional to 7,152.19, 9,870.63 and 4,008.98 is: 5,532.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152.19 : 9,870.63 = 4,008.98 : x
  2. Step 2: Convert to fraction form
    7,152.19/9,870.63 = 4,008.98/x
  3. Step 3: Cross multiply
    7,152.19x = 9,870.63 × 4,008.98
  4. Step 4: Simplify right side
    7,152.19x = 39,571,167.90
  5. Step 5: Solve for x
    x = 39,571,167.90/7,152.19
  6. Step 6: Final answer
    x = 5,532.74

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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.