Home / 7,140.02-10,711.33-2,209.32

Finding the Fourth Proportional to 7,140.02, 10,711.33 and 2,209.32

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Solution

The fourth proportional to 7,140.02, 10,711.33 and 2,209.32 is: 3,314.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,140.02 : 10,711.33 = 2,209.32 : x
  2. Step 2: Convert to fraction form
    7,140.02/10,711.33 = 2,209.32/x
  3. Step 3: Cross multiply
    7,140.02x = 10,711.33 × 2,209.32
  4. Step 4: Simplify right side
    7,140.02x = 23,664,750.07
  5. Step 5: Solve for x
    x = 23,664,750.07/7,140.02
  6. Step 6: Final answer
    x = 3,314.38

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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.