Home / 7,643.20-10,547.06-4,239.96

Finding the Fourth Proportional to 7,643.20, 10,547.06 and 4,239.96

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Solution

The fourth proportional to 7,643.20, 10,547.06 and 4,239.96 is: 5,850.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,643.20 : 10,547.06 = 4,239.96 : x
  2. Step 2: Convert to fraction form
    7,643.20/10,547.06 = 4,239.96/x
  3. Step 3: Cross multiply
    7,643.20x = 10,547.06 × 4,239.96
  4. Step 4: Simplify right side
    7,643.20x = 44,719,038.58
  5. Step 5: Solve for x
    x = 44,719,038.58/7,643.20
  6. Step 6: Final answer
    x = 5,850.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.