Home / 6,749.16-10,124.35-1,818.69

Finding the Fourth Proportional to 6,749.16, 10,124.35 and 1,818.69

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Solution

The fourth proportional to 6,749.16, 10,124.35 and 1,818.69 is: 2,728.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,749.16 : 10,124.35 = 1,818.69 : x
  2. Step 2: Convert to fraction form
    6,749.16/10,124.35 = 1,818.69/x
  3. Step 3: Cross multiply
    6,749.16x = 10,124.35 × 1,818.69
  4. Step 4: Simplify right side
    6,749.16x = 18,413,054.10
  5. Step 5: Solve for x
    x = 18,413,054.10/6,749.16
  6. Step 6: Final answer
    x = 2,728.20

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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.