Home / 8,521.80-11,758.86-4,984.34

Finding the Fourth Proportional to 8,521.80, 11,758.86 and 4,984.34

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Solution

The fourth proportional to 8,521.80, 11,758.86 and 4,984.34 is: 6,877.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,521.80 : 11,758.86 = 4,984.34 : x
  2. Step 2: Convert to fraction form
    8,521.80/11,758.86 = 4,984.34/x
  3. Step 3: Cross multiply
    8,521.80x = 11,758.86 × 4,984.34
  4. Step 4: Simplify right side
    8,521.80x = 58,610,156.25
  5. Step 5: Solve for x
    x = 58,610,156.25/8,521.80
  6. Step 6: Final answer
    x = 6,877.67

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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.