Home / 8,899.83-12,283.47-5,125.50

Finding the Fourth Proportional to 8,899.83, 12,283.47 and 5,125.50

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Solution

The fourth proportional to 8,899.83, 12,283.47 and 5,125.50 is: 7,074.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,899.83 : 12,283.47 = 5,125.50 : x
  2. Step 2: Convert to fraction form
    8,899.83/12,283.47 = 5,125.50/x
  3. Step 3: Cross multiply
    8,899.83x = 12,283.47 × 5,125.50
  4. Step 4: Simplify right side
    8,899.83x = 62,958,925.49
  5. Step 5: Solve for x
    x = 62,958,925.49/8,899.83
  6. Step 6: Final answer
    x = 7,074.17

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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.