Home / 7,882.40-10,878.23-4,526.30

Finding the Fourth Proportional to 7,882.40, 10,878.23 and 4,526.30

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Solution

The fourth proportional to 7,882.40, 10,878.23 and 4,526.30 is: 6,246.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,882.40 : 10,878.23 = 4,526.30 : x
  2. Step 2: Convert to fraction form
    7,882.40/10,878.23 = 4,526.30/x
  3. Step 3: Cross multiply
    7,882.40x = 10,878.23 × 4,526.30
  4. Step 4: Simplify right side
    7,882.40x = 49,238,109.82
  5. Step 5: Solve for x
    x = 49,238,109.82/7,882.40
  6. Step 6: Final answer
    x = 6,246.59

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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.