Home / 6,319.56-8,719.50-3,666.51

Finding the Fourth Proportional to 6,319.56, 8,719.50 and 3,666.51

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Solution

The fourth proportional to 6,319.56, 8,719.50 and 3,666.51 is: 5,058.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,319.56 : 8,719.50 = 3,666.51 : x
  2. Step 2: Convert to fraction form
    6,319.56/8,719.50 = 3,666.51/x
  3. Step 3: Cross multiply
    6,319.56x = 8,719.50 × 3,666.51
  4. Step 4: Simplify right side
    6,319.56x = 31,970,133.95
  5. Step 5: Solve for x
    x = 31,970,133.95/6,319.56
  6. Step 6: Final answer
    x = 5,058.92

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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.