Home / 4,318.65-6,478.51-1,545.62

Finding the Fourth Proportional to 4,318.65, 6,478.51 and 1,545.62

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Solution

The fourth proportional to 4,318.65, 6,478.51 and 1,545.62 is: 2,318.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,318.65 : 6,478.51 = 1,545.62 : x
  2. Step 2: Convert to fraction form
    4,318.65/6,478.51 = 1,545.62/x
  3. Step 3: Cross multiply
    4,318.65x = 6,478.51 × 1,545.62
  4. Step 4: Simplify right side
    4,318.65x = 10,013,274.51
  5. Step 5: Solve for x
    x = 10,013,274.51/4,318.65
  6. Step 6: Final answer
    x = 2,318.61

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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.