Home / 7,756.12-10,703.55-4,398.85

Finding the Fourth Proportional to 7,756.12, 10,703.55 and 4,398.85

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Solution

The fourth proportional to 7,756.12, 10,703.55 and 4,398.85 is: 6,070.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,756.12 : 10,703.55 = 4,398.85 : x
  2. Step 2: Convert to fraction form
    7,756.12/10,703.55 = 4,398.85/x
  3. Step 3: Cross multiply
    7,756.12x = 10,703.55 × 4,398.85
  4. Step 4: Simplify right side
    7,756.12x = 47,083,310.92
  5. Step 5: Solve for x
    x = 47,083,310.92/7,756.12
  6. Step 6: Final answer
    x = 6,070.47

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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.