Home / 4,545.40-6,276.18-3,665.40

Finding the Fourth Proportional to 4,545.40, 6,276.18 and 3,665.40

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Solution

The fourth proportional to 4,545.40, 6,276.18 and 3,665.40 is: 5,061.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,545.40 : 6,276.18 = 3,665.40 : x
  2. Step 2: Convert to fraction form
    4,545.40/6,276.18 = 3,665.40/x
  3. Step 3: Cross multiply
    4,545.40x = 6,276.18 × 3,665.40
  4. Step 4: Simplify right side
    4,545.40x = 23,004,710.17
  5. Step 5: Solve for x
    x = 23,004,710.17/4,545.40
  6. Step 6: Final answer
    x = 5,061.10

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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.