Home / 4,317.18-6,471.80-1,393.98

Finding the Fourth Proportional to 4,317.18, 6,471.80 and 1,393.98

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Solution

The fourth proportional to 4,317.18, 6,471.80 and 1,393.98 is: 2,089.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,317.18 : 6,471.80 = 1,393.98 : x
  2. Step 2: Convert to fraction form
    4,317.18/6,471.80 = 1,393.98/x
  3. Step 3: Cross multiply
    4,317.18x = 6,471.80 × 1,393.98
  4. Step 4: Simplify right side
    4,317.18x = 9,021,559.76
  5. Step 5: Solve for x
    x = 9,021,559.76/4,317.18
  6. Step 6: Final answer
    x = 2,089.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.