Home / 6,749.04-10,127.40-5,389.68

Finding the Fourth Proportional to 6,749.04, 10,127.40 and 5,389.68

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Solution

The fourth proportional to 6,749.04, 10,127.40 and 5,389.68 is: 8,087.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,749.04 : 10,127.40 = 5,389.68 : x
  2. Step 2: Convert to fraction form
    6,749.04/10,127.40 = 5,389.68/x
  3. Step 3: Cross multiply
    6,749.04x = 10,127.40 × 5,389.68
  4. Step 4: Simplify right side
    6,749.04x = 54,583,445.23
  5. Step 5: Solve for x
    x = 54,583,445.23/6,749.04
  6. Step 6: Final answer
    x = 8,087.59

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1.5x scale

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.