Home / 6,630.39-9,150.02-3,646.23

Finding the Fourth Proportional to 6,630.39, 9,150.02 and 3,646.23

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Solution

The fourth proportional to 6,630.39, 9,150.02 and 3,646.23 is: 5,031.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,630.39 : 9,150.02 = 3,646.23 : x
  2. Step 2: Convert to fraction form
    6,630.39/9,150.02 = 3,646.23/x
  3. Step 3: Cross multiply
    6,630.39x = 9,150.02 × 3,646.23
  4. Step 4: Simplify right side
    6,630.39x = 33,363,077.42
  5. Step 5: Solve for x
    x = 33,363,077.42/6,630.39
  6. Step 6: Final answer
    x = 5,031.84

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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.