Home / 5,112.16-7,669.02-1,780.93

Finding the Fourth Proportional to 5,112.16, 7,669.02 and 1,780.93

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Solution

The fourth proportional to 5,112.16, 7,669.02 and 1,780.93 is: 2,671.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112.16 : 7,669.02 = 1,780.93 : x
  2. Step 2: Convert to fraction form
    5,112.16/7,669.02 = 1,780.93/x
  3. Step 3: Cross multiply
    5,112.16x = 7,669.02 × 1,780.93
  4. Step 4: Simplify right side
    5,112.16x = 13,657,987.79
  5. Step 5: Solve for x
    x = 13,657,987.79/5,112.16
  6. Step 6: Final answer
    x = 2,671.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.