Home / 7,439.20-10,266.59-5,423.08

Finding the Fourth Proportional to 7,439.20, 10,266.59 and 5,423.08

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Solution

The fourth proportional to 7,439.20, 10,266.59 and 5,423.08 is: 7,484.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439.20 : 10,266.59 = 5,423.08 : x
  2. Step 2: Convert to fraction form
    7,439.20/10,266.59 = 5,423.08/x
  3. Step 3: Cross multiply
    7,439.20x = 10,266.59 × 5,423.08
  4. Step 4: Simplify right side
    7,439.20x = 55,676,538.90
  5. Step 5: Solve for x
    x = 55,676,538.90/7,439.20
  6. Step 6: Final answer
    x = 7,484.21

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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.