Home / 8,899.80-12,281.32-4,866.52

Finding the Fourth Proportional to 8,899.80, 12,281.32 and 4,866.52

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Solution

The fourth proportional to 8,899.80, 12,281.32 and 4,866.52 is: 6,715.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,899.80 : 12,281.32 = 4,866.52 : x
  2. Step 2: Convert to fraction form
    8,899.80/12,281.32 = 4,866.52/x
  3. Step 3: Cross multiply
    8,899.80x = 12,281.32 × 4,866.52
  4. Step 4: Simplify right side
    8,899.80x = 59,767,270.54
  5. Step 5: Solve for x
    x = 59,767,270.54/8,899.80
  6. Step 6: Final answer
    x = 6,715.58

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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.