Home / 8,895.40-12,277.02-5,537.68

Finding the Fourth Proportional to 8,895.40, 12,277.02 and 5,537.68

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Solution

The fourth proportional to 8,895.40, 12,277.02 and 5,537.68 is: 7,642.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,895.40 : 12,277.02 = 5,537.68 : x
  2. Step 2: Convert to fraction form
    8,895.40/12,277.02 = 5,537.68/x
  3. Step 3: Cross multiply
    8,895.40x = 12,277.02 × 5,537.68
  4. Step 4: Simplify right side
    8,895.40x = 67,986,208.11
  5. Step 5: Solve for x
    x = 67,986,208.11/8,895.40
  6. Step 6: Final answer
    x = 7,642.85

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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.