Home / 5,737.60-8,606.40-4,085.20

Finding the Fourth Proportional to 5,737.60, 8,606.40 and 4,085.20

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Solution

The fourth proportional to 5,737.60, 8,606.40 and 4,085.20 is: 6,127.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,737.60 : 8,606.40 = 4,085.20 : x
  2. Step 2: Convert to fraction form
    5,737.60/8,606.40 = 4,085.20/x
  3. Step 3: Cross multiply
    5,737.60x = 8,606.40 × 4,085.20
  4. Step 4: Simplify right side
    5,737.60x = 35,158,865.28
  5. Step 5: Solve for x
    x = 35,158,865.28/5,737.60
  6. Step 6: Final answer
    x = 6,127.80

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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.