Home / 7,031.86-10,542.59-4,257.88

Finding the Fourth Proportional to 7,031.86, 10,542.59 and 4,257.88

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Solution

The fourth proportional to 7,031.86, 10,542.59 and 4,257.88 is: 6,383.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,031.86 : 10,542.59 = 4,257.88 : x
  2. Step 2: Convert to fraction form
    7,031.86/10,542.59 = 4,257.88/x
  3. Step 3: Cross multiply
    7,031.86x = 10,542.59 × 4,257.88
  4. Step 4: Simplify right side
    7,031.86x = 44,889,035.46
  5. Step 5: Solve for x
    x = 44,889,035.46/7,031.86
  6. Step 6: Final answer
    x = 6,383.67

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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.