Home / 4,318.40-6,478.98-1,545.04

Finding the Fourth Proportional to 4,318.40, 6,478.98 and 1,545.04

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Solution

The fourth proportional to 4,318.40, 6,478.98 and 1,545.04 is: 2,318.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,318.40 : 6,478.98 = 1,545.04 : x
  2. Step 2: Convert to fraction form
    4,318.40/6,478.98 = 1,545.04/x
  3. Step 3: Cross multiply
    4,318.40x = 6,478.98 × 1,545.04
  4. Step 4: Simplify right side
    4,318.40x = 10,010,283.26
  5. Step 5: Solve for x
    x = 10,010,283.26/4,318.40
  6. Step 6: Final answer
    x = 2,318.05

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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.