Home / 5,012.60-6,918.40-2,917.16

Finding the Fourth Proportional to 5,012.60, 6,918.40 and 2,917.16

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Solution

The fourth proportional to 5,012.60, 6,918.40 and 2,917.16 is: 4,026.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,012.60 : 6,918.40 = 2,917.16 : x
  2. Step 2: Convert to fraction form
    5,012.60/6,918.40 = 2,917.16/x
  3. Step 3: Cross multiply
    5,012.60x = 6,918.40 × 2,917.16
  4. Step 4: Simplify right side
    5,012.60x = 20,182,079.74
  5. Step 5: Solve for x
    x = 20,182,079.74/5,012.60
  6. Step 6: Final answer
    x = 4,026.27

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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.