Home / 7,032.12-10,547.50-2,872.50

Finding the Fourth Proportional to 7,032.12, 10,547.50 and 2,872.50

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Solution

The fourth proportional to 7,032.12, 10,547.50 and 2,872.50 is: 4,308.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,032.12 : 10,547.50 = 2,872.50 : x
  2. Step 2: Convert to fraction form
    7,032.12/10,547.50 = 2,872.50/x
  3. Step 3: Cross multiply
    7,032.12x = 10,547.50 × 2,872.50
  4. Step 4: Simplify right side
    7,032.12x = 30,297,693.75
  5. Step 5: Solve for x
    x = 30,297,693.75/7,032.12
  6. Step 6: Final answer
    x = 4,308.47

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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.