Home / 4,259.42-6,389.44-1,337.70

Finding the Fourth Proportional to 4,259.42, 6,389.44 and 1,337.70

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Solution

The fourth proportional to 4,259.42, 6,389.44 and 1,337.70 is: 2,006.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,259.42 : 6,389.44 = 1,337.70 : x
  2. Step 2: Convert to fraction form
    4,259.42/6,389.44 = 1,337.70/x
  3. Step 3: Cross multiply
    4,259.42x = 6,389.44 × 1,337.70
  4. Step 4: Simplify right side
    4,259.42x = 8,547,153.89
  5. Step 5: Solve for x
    x = 8,547,153.89/4,259.42
  6. Step 6: Final answer
    x = 2,006.65

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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.