Home / 8,645.42-11,931.25-4,817.67

Finding the Fourth Proportional to 8,645.42, 11,931.25 and 4,817.67

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Solution

The fourth proportional to 8,645.42, 11,931.25 and 4,817.67 is: 6,648.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,645.42 : 11,931.25 = 4,817.67 : x
  2. Step 2: Convert to fraction form
    8,645.42/11,931.25 = 4,817.67/x
  3. Step 3: Cross multiply
    8,645.42x = 11,931.25 × 4,817.67
  4. Step 4: Simplify right side
    8,645.42x = 57,480,825.19
  5. Step 5: Solve for x
    x = 57,480,825.19/8,645.42
  6. Step 6: Final answer
    x = 6,648.70

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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.