Home / 6,507.02-8,971.21-4,148.30

Finding the Fourth Proportional to 6,507.02, 8,971.21 and 4,148.30

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Solution

The fourth proportional to 6,507.02, 8,971.21 and 4,148.30 is: 5,719.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,507.02 : 8,971.21 = 4,148.30 : x
  2. Step 2: Convert to fraction form
    6,507.02/8,971.21 = 4,148.30/x
  3. Step 3: Cross multiply
    6,507.02x = 8,971.21 × 4,148.30
  4. Step 4: Simplify right side
    6,507.02x = 37,215,270.44
  5. Step 5: Solve for x
    x = 37,215,270.44/6,507.02
  6. Step 6: Final answer
    x = 5,719.25

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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.