Home / 4,218.57-6,303.85-3,157.52

Finding the Fourth Proportional to 4,218.57, 6,303.85 and 3,157.52

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Solution

The fourth proportional to 4,218.57, 6,303.85 and 3,157.52 is: 4,718.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.57 : 6,303.85 = 3,157.52 : x
  2. Step 2: Convert to fraction form
    4,218.57/6,303.85 = 3,157.52/x
  3. Step 3: Cross multiply
    4,218.57x = 6,303.85 × 3,157.52
  4. Step 4: Simplify right side
    4,218.57x = 19,904,532.45
  5. Step 5: Solve for x
    x = 19,904,532.45/4,218.57
  6. Step 6: Final answer
    x = 4,718.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.