Home / 6,618.74-9,130.95-4,100.18

Finding the Fourth Proportional to 6,618.74, 9,130.95 and 4,100.18

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Solution

The fourth proportional to 6,618.74, 9,130.95 and 4,100.18 is: 5,656.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,618.74 : 9,130.95 = 4,100.18 : x
  2. Step 2: Convert to fraction form
    6,618.74/9,130.95 = 4,100.18/x
  3. Step 3: Cross multiply
    6,618.74x = 9,130.95 × 4,100.18
  4. Step 4: Simplify right side
    6,618.74x = 37,438,538.57
  5. Step 5: Solve for x
    x = 37,438,538.57/6,618.74
  6. Step 6: Final answer
    x = 5,656.44

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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.