Home / 8,465.04-11,681-4,927.76

Finding the Fourth Proportional to 8,465.04, 11,681 and 4,927.76

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Solution

The fourth proportional to 8,465.04, 11,681 and 4,927.76 is: 6,799.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,465.04 : 11,681 = 4,927.76 : x
  2. Step 2: Convert to fraction form
    8,465.04/11,681 = 4,927.76/x
  3. Step 3: Cross multiply
    8,465.04x = 11,681 × 4,927.76
  4. Step 4: Simplify right side
    8,465.04x = 57,561,164.56
  5. Step 5: Solve for x
    x = 57,561,164.56/8,465.04
  6. Step 6: Final answer
    x = 6,799.87

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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.