Home / 7,882.34-10,877.88-4,345.68

Finding the Fourth Proportional to 7,882.34, 10,877.88 and 4,345.68

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Solution

The fourth proportional to 7,882.34, 10,877.88 and 4,345.68 is: 5,997.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,882.34 : 10,877.88 = 4,345.68 : x
  2. Step 2: Convert to fraction form
    7,882.34/10,877.88 = 4,345.68/x
  3. Step 3: Cross multiply
    7,882.34x = 10,877.88 × 4,345.68
  4. Step 4: Simplify right side
    7,882.34x = 47,271,785.56
  5. Step 5: Solve for x
    x = 47,271,785.56/7,882.34
  6. Step 6: Final answer
    x = 5,997.18

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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.