Home / 7,339.88-10,129.86-5,101.16

Finding the Fourth Proportional to 7,339.88, 10,129.86 and 5,101.16

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Solution

The fourth proportional to 7,339.88, 10,129.86 and 5,101.16 is: 7,040.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339.88 : 10,129.86 = 5,101.16 : x
  2. Step 2: Convert to fraction form
    7,339.88/10,129.86 = 5,101.16/x
  3. Step 3: Cross multiply
    7,339.88x = 10,129.86 × 5,101.16
  4. Step 4: Simplify right side
    7,339.88x = 51,674,036.64
  5. Step 5: Solve for x
    x = 51,674,036.64/7,339.88
  6. Step 6: Final answer
    x = 7,040.17

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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.