Home / 8,747.81-12,071.65-4,768.83

Finding the Fourth Proportional to 8,747.81, 12,071.65 and 4,768.83

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Solution

The fourth proportional to 8,747.81, 12,071.65 and 4,768.83 is: 6,580.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747.81 : 12,071.65 = 4,768.83 : x
  2. Step 2: Convert to fraction form
    8,747.81/12,071.65 = 4,768.83/x
  3. Step 3: Cross multiply
    8,747.81x = 12,071.65 × 4,768.83
  4. Step 4: Simplify right side
    8,747.81x = 57,567,646.67
  5. Step 5: Solve for x
    x = 57,567,646.67/8,747.81
  6. Step 6: Final answer
    x = 6,580.81

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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.