Home / 7,486.34-10,330.61-4,129.16

Finding the Fourth Proportional to 7,486.34, 10,330.61 and 4,129.16

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Solution

The fourth proportional to 7,486.34, 10,330.61 and 4,129.16 is: 5,697.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.34 : 10,330.61 = 4,129.16 : x
  2. Step 2: Convert to fraction form
    7,486.34/10,330.61 = 4,129.16/x
  3. Step 3: Cross multiply
    7,486.34x = 10,330.61 × 4,129.16
  4. Step 4: Simplify right side
    7,486.34x = 42,656,669.29
  5. Step 5: Solve for x
    x = 42,656,669.29/7,486.34
  6. Step 6: Final answer
    x = 5,697.94

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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.