Home / 8,971.90-13,457.68-4,038.05

Finding the Fourth Proportional to 8,971.90, 13,457.68 and 4,038.05

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Solution

The fourth proportional to 8,971.90, 13,457.68 and 4,038.05 is: 6,057.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,971.90 : 13,457.68 = 4,038.05 : x
  2. Step 2: Convert to fraction form
    8,971.90/13,457.68 = 4,038.05/x
  3. Step 3: Cross multiply
    8,971.90x = 13,457.68 × 4,038.05
  4. Step 4: Simplify right side
    8,971.90x = 54,342,808.27
  5. Step 5: Solve for x
    x = 54,342,808.27/8,971.90
  6. Step 6: Final answer
    x = 6,057.00

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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.