Home / 7,039.56-10,547.44-4,257.72

Finding the Fourth Proportional to 7,039.56, 10,547.44 and 4,257.72

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Solution

The fourth proportional to 7,039.56, 10,547.44 and 4,257.72 is: 6,379.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039.56 : 10,547.44 = 4,257.72 : x
  2. Step 2: Convert to fraction form
    7,039.56/10,547.44 = 4,257.72/x
  3. Step 3: Cross multiply
    7,039.56x = 10,547.44 × 4,257.72
  4. Step 4: Simplify right side
    7,039.56x = 44,908,046.24
  5. Step 5: Solve for x
    x = 44,908,046.24/7,039.56
  6. Step 6: Final answer
    x = 6,379.38

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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.