Home / 8,248.93-11,380.53-5,417.84

Finding the Fourth Proportional to 8,248.93, 11,380.53 and 5,417.84

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Solution

The fourth proportional to 8,248.93, 11,380.53 and 5,417.84 is: 7,474.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,248.93 : 11,380.53 = 5,417.84 : x
  2. Step 2: Convert to fraction form
    8,248.93/11,380.53 = 5,417.84/x
  3. Step 3: Cross multiply
    8,248.93x = 11,380.53 × 5,417.84
  4. Step 4: Simplify right side
    8,248.93x = 61,657,863.98
  5. Step 5: Solve for x
    x = 61,657,863.98/8,248.93
  6. Step 6: Final answer
    x = 7,474.65

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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.