Home / 7,885.17-10,874.79-5,624.19

Finding the Fourth Proportional to 7,885.17, 10,874.79 and 5,624.19

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Solution

The fourth proportional to 7,885.17, 10,874.79 and 5,624.19 is: 7,756.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,885.17 : 10,874.79 = 5,624.19 : x
  2. Step 2: Convert to fraction form
    7,885.17/10,874.79 = 5,624.19/x
  3. Step 3: Cross multiply
    7,885.17x = 10,874.79 × 5,624.19
  4. Step 4: Simplify right side
    7,885.17x = 61,161,885.17
  5. Step 5: Solve for x
    x = 61,161,885.17/7,885.17
  6. Step 6: Final answer
    x = 7,756.57

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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.