Home / 8,903.23-12,283.01-5,715.68

Finding the Fourth Proportional to 8,903.23, 12,283.01 and 5,715.68

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Solution

The fourth proportional to 8,903.23, 12,283.01 and 5,715.68 is: 7,885.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,903.23 : 12,283.01 = 5,715.68 : x
  2. Step 2: Convert to fraction form
    8,903.23/12,283.01 = 5,715.68/x
  3. Step 3: Cross multiply
    8,903.23x = 12,283.01 × 5,715.68
  4. Step 4: Simplify right side
    8,903.23x = 70,205,755.13
  5. Step 5: Solve for x
    x = 70,205,755.13/8,903.23
  6. Step 6: Final answer
    x = 7,885.42

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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.