Home / 8,749.03-12,077.70-5,162.77

Finding the Fourth Proportional to 8,749.03, 12,077.70 and 5,162.77

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Solution

The fourth proportional to 8,749.03, 12,077.70 and 5,162.77 is: 7,127.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749.03 : 12,077.70 = 5,162.77 : x
  2. Step 2: Convert to fraction form
    8,749.03/12,077.70 = 5,162.77/x
  3. Step 3: Cross multiply
    8,749.03x = 12,077.70 × 5,162.77
  4. Step 4: Simplify right side
    8,749.03x = 62,354,387.23
  5. Step 5: Solve for x
    x = 62,354,387.23/8,749.03
  6. Step 6: Final answer
    x = 7,127.01

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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.