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Finding the Fourth Proportional to 5,607.27, 7,737.75 and 3,368.70

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Solution

The fourth proportional to 5,607.27, 7,737.75 and 3,368.70 is: 4,648.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,607.27 : 7,737.75 = 3,368.70 : x
  2. Step 2: Convert to fraction form
    5,607.27/7,737.75 = 3,368.70/x
  3. Step 3: Cross multiply
    5,607.27x = 7,737.75 × 3,368.70
  4. Step 4: Simplify right side
    5,607.27x = 26,066,158.43
  5. Step 5: Solve for x
    x = 26,066,158.43/5,607.27
  6. Step 6: Final answer
    x = 4,648.64

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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.