Home / 7,290.04-10,937.18-4,331.20

Finding the Fourth Proportional to 7,290.04, 10,937.18 and 4,331.20

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Solution

The fourth proportional to 7,290.04, 10,937.18 and 4,331.20 is: 6,498.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290.04 : 10,937.18 = 4,331.20 : x
  2. Step 2: Convert to fraction form
    7,290.04/10,937.18 = 4,331.20/x
  3. Step 3: Cross multiply
    7,290.04x = 10,937.18 × 4,331.20
  4. Step 4: Simplify right side
    7,290.04x = 47,371,114.02
  5. Step 5: Solve for x
    x = 47,371,114.02/7,290.04
  6. Step 6: Final answer
    x = 6,498.06

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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.