Home / 6,404.95-8,838.68-3,572.60

Finding the Fourth Proportional to 6,404.95, 8,838.68 and 3,572.60

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Solution

The fourth proportional to 6,404.95, 8,838.68 and 3,572.60 is: 4,930.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,404.95 : 8,838.68 = 3,572.60 : x
  2. Step 2: Convert to fraction form
    6,404.95/8,838.68 = 3,572.60/x
  3. Step 3: Cross multiply
    6,404.95x = 8,838.68 × 3,572.60
  4. Step 4: Simplify right side
    6,404.95x = 31,577,006.11
  5. Step 5: Solve for x
    x = 31,577,006.11/6,404.95
  6. Step 6: Final answer
    x = 4,930.10

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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.