Home / 7,031.73-9,701.44-4,642.89

Finding the Fourth Proportional to 7,031.73, 9,701.44 and 4,642.89

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Solution

The fourth proportional to 7,031.73, 9,701.44 and 4,642.89 is: 6,405.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,031.73 : 9,701.44 = 4,642.89 : x
  2. Step 2: Convert to fraction form
    7,031.73/9,701.44 = 4,642.89/x
  3. Step 3: Cross multiply
    7,031.73x = 9,701.44 × 4,642.89
  4. Step 4: Simplify right side
    7,031.73x = 45,042,718.76
  5. Step 5: Solve for x
    x = 45,042,718.76/7,031.73
  6. Step 6: Final answer
    x = 6,405.64

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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.