Home / 5,113.29-7,056.36-2,875.26

Finding the Fourth Proportional to 5,113.29, 7,056.36 and 2,875.26

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Solution

The fourth proportional to 5,113.29, 7,056.36 and 2,875.26 is: 3,967.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113.29 : 7,056.36 = 2,875.26 : x
  2. Step 2: Convert to fraction form
    5,113.29/7,056.36 = 2,875.26/x
  3. Step 3: Cross multiply
    5,113.29x = 7,056.36 × 2,875.26
  4. Step 4: Simplify right side
    5,113.29x = 20,288,869.65
  5. Step 5: Solve for x
    x = 20,288,869.65/5,113.29
  6. Step 6: Final answer
    x = 3,967.87

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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.