Home / 6,153.60-8,488.64-3,669.12

Finding the Fourth Proportional to 6,153.60, 8,488.64 and 3,669.12

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Solution

The fourth proportional to 6,153.60, 8,488.64 and 3,669.12 is: 5,061.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,153.60 : 8,488.64 = 3,669.12 : x
  2. Step 2: Convert to fraction form
    6,153.60/8,488.64 = 3,669.12/x
  3. Step 3: Cross multiply
    6,153.60x = 8,488.64 × 3,669.12
  4. Step 4: Simplify right side
    6,153.60x = 31,145,838.80
  5. Step 5: Solve for x
    x = 31,145,838.80/6,153.60
  6. Step 6: Final answer
    x = 5,061.40

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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.