Home / 6,737.80-9,298.40-3,905.18

Finding the Fourth Proportional to 6,737.80, 9,298.40 and 3,905.18

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Solution

The fourth proportional to 6,737.80, 9,298.40 and 3,905.18 is: 5,389.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,737.80 : 9,298.40 = 3,905.18 : x
  2. Step 2: Convert to fraction form
    6,737.80/9,298.40 = 3,905.18/x
  3. Step 3: Cross multiply
    6,737.80x = 9,298.40 × 3,905.18
  4. Step 4: Simplify right side
    6,737.80x = 36,311,925.71
  5. Step 5: Solve for x
    x = 36,311,925.71/6,737.80
  6. Step 6: Final answer
    x = 5,389.29

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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.