Home / 7,235.34-9,995.31-4,887.78

Finding the Fourth Proportional to 7,235.34, 9,995.31 and 4,887.78

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Solution

The fourth proportional to 7,235.34, 9,995.31 and 4,887.78 is: 6,752.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,235.34 : 9,995.31 = 4,887.78 : x
  2. Step 2: Convert to fraction form
    7,235.34/9,995.31 = 4,887.78/x
  3. Step 3: Cross multiply
    7,235.34x = 9,995.31 × 4,887.78
  4. Step 4: Simplify right side
    7,235.34x = 48,854,876.31
  5. Step 5: Solve for x
    x = 48,854,876.31/7,235.34
  6. Step 6: Final answer
    x = 6,752.26

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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.