Home / 8,320.95-11,484.84-5,488.83

Finding the Fourth Proportional to 8,320.95, 11,484.84 and 5,488.83

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Solution

The fourth proportional to 8,320.95, 11,484.84 and 5,488.83 is: 7,575.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320.95 : 11,484.84 = 5,488.83 : x
  2. Step 2: Convert to fraction form
    8,320.95/11,484.84 = 5,488.83/x
  3. Step 3: Cross multiply
    8,320.95x = 11,484.84 × 5,488.83
  4. Step 4: Simplify right side
    8,320.95x = 63,038,334.34
  5. Step 5: Solve for x
    x = 63,038,334.34/8,320.95
  6. Step 6: Final answer
    x = 7,575.86

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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.