Home / 7,678.22-10,595.18-4,320.95

Finding the Fourth Proportional to 7,678.22, 10,595.18 and 4,320.95

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Solution

The fourth proportional to 7,678.22, 10,595.18 and 4,320.95 is: 5,962.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,678.22 : 10,595.18 = 4,320.95 : x
  2. Step 2: Convert to fraction form
    7,678.22/10,595.18 = 4,320.95/x
  3. Step 3: Cross multiply
    7,678.22x = 10,595.18 × 4,320.95
  4. Step 4: Simplify right side
    7,678.22x = 45,781,200.85
  5. Step 5: Solve for x
    x = 45,781,200.85/7,678.22
  6. Step 6: Final answer
    x = 5,962.48

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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.