Home / 6,730.50-9,288.45-3,937.62

Finding the Fourth Proportional to 6,730.50, 9,288.45 and 3,937.62

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Solution

The fourth proportional to 6,730.50, 9,288.45 and 3,937.62 is: 5,434.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,730.50 : 9,288.45 = 3,937.62 : x
  2. Step 2: Convert to fraction form
    6,730.50/9,288.45 = 3,937.62/x
  3. Step 3: Cross multiply
    6,730.50x = 9,288.45 × 3,937.62
  4. Step 4: Simplify right side
    6,730.50x = 36,574,386.49
  5. Step 5: Solve for x
    x = 36,574,386.49/6,730.50
  6. Step 6: Final answer
    x = 5,434.13

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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.