Home / 5,151.46-7,108.93-2,913.26

Finding the Fourth Proportional to 5,151.46, 7,108.93 and 2,913.26

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Solution

The fourth proportional to 5,151.46, 7,108.93 and 2,913.26 is: 4,020.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151.46 : 7,108.93 = 2,913.26 : x
  2. Step 2: Convert to fraction form
    5,151.46/7,108.93 = 2,913.26/x
  3. Step 3: Cross multiply
    5,151.46x = 7,108.93 × 2,913.26
  4. Step 4: Simplify right side
    5,151.46x = 20,710,161.41
  5. Step 5: Solve for x
    x = 20,710,161.41/5,151.46
  6. Step 6: Final answer
    x = 4,020.25

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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.