Home / 6,319.16-8,720.52-3,666.68

Finding the Fourth Proportional to 6,319.16, 8,720.52 and 3,666.68

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Solution

The fourth proportional to 6,319.16, 8,720.52 and 3,666.68 is: 5,060.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,319.16 : 8,720.52 = 3,666.68 : x
  2. Step 2: Convert to fraction form
    6,319.16/8,720.52 = 3,666.68/x
  3. Step 3: Cross multiply
    6,319.16x = 8,720.52 × 3,666.68
  4. Step 4: Simplify right side
    6,319.16x = 31,975,356.27
  5. Step 5: Solve for x
    x = 31,975,356.27/6,319.16
  6. Step 6: Final answer
    x = 5,060.06

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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.