Home / 7,428.04-10,250.30-4,070.86

Finding the Fourth Proportional to 7,428.04, 10,250.30 and 4,070.86

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Solution

The fourth proportional to 7,428.04, 10,250.30 and 4,070.86 is: 5,617.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,428.04 : 10,250.30 = 4,070.86 : x
  2. Step 2: Convert to fraction form
    7,428.04/10,250.30 = 4,070.86/x
  3. Step 3: Cross multiply
    7,428.04x = 10,250.30 × 4,070.86
  4. Step 4: Simplify right side
    7,428.04x = 41,727,515.90
  5. Step 5: Solve for x
    x = 41,727,515.90/7,428.04
  6. Step 6: Final answer
    x = 5,617.57

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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.