Home / 4,642.02-6,407.67-3,157.62

Finding the Fourth Proportional to 4,642.02, 6,407.67 and 3,157.62

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Solution

The fourth proportional to 4,642.02, 6,407.67 and 3,157.62 is: 4,358.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,642.02 : 6,407.67 = 3,157.62 : x
  2. Step 2: Convert to fraction form
    4,642.02/6,407.67 = 3,157.62/x
  3. Step 3: Cross multiply
    4,642.02x = 6,407.67 × 3,157.62
  4. Step 4: Simplify right side
    4,642.02x = 20,232,986.95
  5. Step 5: Solve for x
    x = 20,232,986.95/4,642.02
  6. Step 6: Final answer
    x = 4,358.66

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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.