Home / 4,317.50-6,475.56-1,543.65

Finding the Fourth Proportional to 4,317.50, 6,475.56 and 1,543.65

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Solution

The fourth proportional to 4,317.50, 6,475.56 and 1,543.65 is: 2,315.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,317.50 : 6,475.56 = 1,543.65 : x
  2. Step 2: Convert to fraction form
    4,317.50/6,475.56 = 1,543.65/x
  3. Step 3: Cross multiply
    4,317.50x = 6,475.56 × 1,543.65
  4. Step 4: Simplify right side
    4,317.50x = 9,995,992.41
  5. Step 5: Solve for x
    x = 9,995,992.41/4,317.50
  6. Step 6: Final answer
    x = 2,315.23

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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.