Home / 7,031.22-9,703.79-4,047.18

Finding the Fourth Proportional to 7,031.22, 9,703.79 and 4,047.18

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Solution

The fourth proportional to 7,031.22, 9,703.79 and 4,047.18 is: 5,585.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,031.22 : 9,703.79 = 4,047.18 : x
  2. Step 2: Convert to fraction form
    7,031.22/9,703.79 = 4,047.18/x
  3. Step 3: Cross multiply
    7,031.22x = 9,703.79 × 4,047.18
  4. Step 4: Simplify right side
    7,031.22x = 39,272,984.81
  5. Step 5: Solve for x
    x = 39,272,984.81/7,031.22
  6. Step 6: Final answer
    x = 5,585.52

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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.