Home / 9,135.63-12,607.22-4,943.88

Finding the Fourth Proportional to 9,135.63, 12,607.22 and 4,943.88

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Solution

The fourth proportional to 9,135.63, 12,607.22 and 4,943.88 is: 6,822.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,135.63 : 12,607.22 = 4,943.88 : x
  2. Step 2: Convert to fraction form
    9,135.63/12,607.22 = 4,943.88/x
  3. Step 3: Cross multiply
    9,135.63x = 12,607.22 × 4,943.88
  4. Step 4: Simplify right side
    9,135.63x = 62,328,595.17
  5. Step 5: Solve for x
    x = 62,328,595.17/9,135.63
  6. Step 6: Final answer
    x = 6,822.58

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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.