Home / 8,130.48-11,225.52-5,106.88

Finding the Fourth Proportional to 8,130.48, 11,225.52 and 5,106.88

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Solution

The fourth proportional to 8,130.48, 11,225.52 and 5,106.88 is: 7,050.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,130.48 : 11,225.52 = 5,106.88 : x
  2. Step 2: Convert to fraction form
    8,130.48/11,225.52 = 5,106.88/x
  3. Step 3: Cross multiply
    8,130.48x = 11,225.52 × 5,106.88
  4. Step 4: Simplify right side
    8,130.48x = 57,327,383.58
  5. Step 5: Solve for x
    x = 57,327,383.58/8,130.48
  6. Step 6: Final answer
    x = 7,050.92

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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.