Home / 7,130.13-9,837.16-4,143.50

Finding the Fourth Proportional to 7,130.13, 9,837.16 and 4,143.50

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Solution

The fourth proportional to 7,130.13, 9,837.16 and 4,143.50 is: 5,716.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,130.13 : 9,837.16 = 4,143.50 : x
  2. Step 2: Convert to fraction form
    7,130.13/9,837.16 = 4,143.50/x
  3. Step 3: Cross multiply
    7,130.13x = 9,837.16 × 4,143.50
  4. Step 4: Simplify right side
    7,130.13x = 40,760,272.46
  5. Step 5: Solve for x
    x = 40,760,272.46/7,130.13
  6. Step 6: Final answer
    x = 5,716.62

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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.