Home / 8,854.47-13,280.72-5,557.77

Finding the Fourth Proportional to 8,854.47, 13,280.72 and 5,557.77

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Solution

The fourth proportional to 8,854.47, 13,280.72 and 5,557.77 is: 8,336.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,854.47 : 13,280.72 = 5,557.77 : x
  2. Step 2: Convert to fraction form
    8,854.47/13,280.72 = 5,557.77/x
  3. Step 3: Cross multiply
    8,854.47x = 13,280.72 × 5,557.77
  4. Step 4: Simplify right side
    8,854.47x = 73,811,159.41
  5. Step 5: Solve for x
    x = 73,811,159.41/8,854.47
  6. Step 6: Final answer
    x = 8,336.03

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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.