Home / 4,319.04-6,478.08-1,545.60

Finding the Fourth Proportional to 4,319.04, 6,478.08 and 1,545.60

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Solution

The fourth proportional to 4,319.04, 6,478.08 and 1,545.60 is: 2,318.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,319.04 : 6,478.08 = 1,545.60 : x
  2. Step 2: Convert to fraction form
    4,319.04/6,478.08 = 1,545.60/x
  3. Step 3: Cross multiply
    4,319.04x = 6,478.08 × 1,545.60
  4. Step 4: Simplify right side
    4,319.04x = 10,012,520.45
  5. Step 5: Solve for x
    x = 10,012,520.45/4,319.04
  6. Step 6: Final answer
    x = 2,318.23

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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.