Home / 8,207.34-12,312.36-4,047.54

Finding the Fourth Proportional to 8,207.34, 12,312.36 and 4,047.54

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Solution

The fourth proportional to 8,207.34, 12,312.36 and 4,047.54 is: 6,071.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,207.34 : 12,312.36 = 4,047.54 : x
  2. Step 2: Convert to fraction form
    8,207.34/12,312.36 = 4,047.54/x
  3. Step 3: Cross multiply
    8,207.34x = 12,312.36 × 4,047.54
  4. Step 4: Simplify right side
    8,207.34x = 49,834,769.59
  5. Step 5: Solve for x
    x = 49,834,769.59/8,207.34
  6. Step 6: Final answer
    x = 6,071.98

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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.