Home / 9,038.74-13,547.70-3,489.64

Finding the Fourth Proportional to 9,038.74, 13,547.70 and 3,489.64

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Solution

The fourth proportional to 9,038.74, 13,547.70 and 3,489.64 is: 5,230.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,038.74 : 13,547.70 = 3,489.64 : x
  2. Step 2: Convert to fraction form
    9,038.74/13,547.70 = 3,489.64/x
  3. Step 3: Cross multiply
    9,038.74x = 13,547.70 × 3,489.64
  4. Step 4: Simplify right side
    9,038.74x = 47,276,595.83
  5. Step 5: Solve for x
    x = 47,276,595.83/9,038.74
  6. Step 6: Final answer
    x = 5,230.44

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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.