Home / 8,813.12-12,160.33-5,037.53

Finding the Fourth Proportional to 8,813.12, 12,160.33 and 5,037.53

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Solution

The fourth proportional to 8,813.12, 12,160.33 and 5,037.53 is: 6,950.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,813.12 : 12,160.33 = 5,037.53 : x
  2. Step 2: Convert to fraction form
    8,813.12/12,160.33 = 5,037.53/x
  3. Step 3: Cross multiply
    8,813.12x = 12,160.33 × 5,037.53
  4. Step 4: Simplify right side
    8,813.12x = 61,257,953.79
  5. Step 5: Solve for x
    x = 61,257,953.79/8,813.12
  6. Step 6: Final answer
    x = 6,950.77

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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.