Home / 7,417.07-10,240.33-6,619.02

Finding the Fourth Proportional to 7,417.07, 10,240.33 and 6,619.02

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Solution

The fourth proportional to 7,417.07, 10,240.33 and 6,619.02 is: 9,138.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,417.07 : 10,240.33 = 6,619.02 : x
  2. Step 2: Convert to fraction form
    7,417.07/10,240.33 = 6,619.02/x
  3. Step 3: Cross multiply
    7,417.07x = 10,240.33 × 6,619.02
  4. Step 4: Simplify right side
    7,417.07x = 67,780,949.32
  5. Step 5: Solve for x
    x = 67,780,949.32/7,417.07
  6. Step 6: Final answer
    x = 9,138.51

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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.