Home / 5,351.60-7,386.69-3,113.91

Finding the Fourth Proportional to 5,351.60, 7,386.69 and 3,113.91

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Solution

The fourth proportional to 5,351.60, 7,386.69 and 3,113.91 is: 4,298.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,351.60 : 7,386.69 = 3,113.91 : x
  2. Step 2: Convert to fraction form
    5,351.60/7,386.69 = 3,113.91/x
  3. Step 3: Cross multiply
    5,351.60x = 7,386.69 × 3,113.91
  4. Step 4: Simplify right side
    5,351.60x = 23,001,477.39
  5. Step 5: Solve for x
    x = 23,001,477.39/5,351.60
  6. Step 6: Final answer
    x = 4,298.06

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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.