Home / 7,537.95-10,402.47-4,180.82

Finding the Fourth Proportional to 7,537.95, 10,402.47 and 4,180.82

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Solution

The fourth proportional to 7,537.95, 10,402.47 and 4,180.82 is: 5,769.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,537.95 : 10,402.47 = 4,180.82 : x
  2. Step 2: Convert to fraction form
    7,537.95/10,402.47 = 4,180.82/x
  3. Step 3: Cross multiply
    7,537.95x = 10,402.47 × 4,180.82
  4. Step 4: Simplify right side
    7,537.95x = 43,490,802.61
  5. Step 5: Solve for x
    x = 43,490,802.61/7,537.95
  6. Step 6: Final answer
    x = 5,769.58

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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.