Home / 8,156.58-11,256.30-4,430.58

Finding the Fourth Proportional to 8,156.58, 11,256.30 and 4,430.58

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Solution

The fourth proportional to 8,156.58, 11,256.30 and 4,430.58 is: 6,114.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,156.58 : 11,256.30 = 4,430.58 : x
  2. Step 2: Convert to fraction form
    8,156.58/11,256.30 = 4,430.58/x
  3. Step 3: Cross multiply
    8,156.58x = 11,256.30 × 4,430.58
  4. Step 4: Simplify right side
    8,156.58x = 49,871,937.65
  5. Step 5: Solve for x
    x = 49,871,937.65/8,156.58
  6. Step 6: Final answer
    x = 6,114.32

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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.