Home / 5,629.12-7,763.14-4,688.03

Finding the Fourth Proportional to 5,629.12, 7,763.14 and 4,688.03

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Solution

The fourth proportional to 5,629.12, 7,763.14 and 4,688.03 is: 6,465.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,629.12 : 7,763.14 = 4,688.03 : x
  2. Step 2: Convert to fraction form
    5,629.12/7,763.14 = 4,688.03/x
  3. Step 3: Cross multiply
    5,629.12x = 7,763.14 × 4,688.03
  4. Step 4: Simplify right side
    5,629.12x = 36,393,833.21
  5. Step 5: Solve for x
    x = 36,393,833.21/5,629.12
  6. Step 6: Final answer
    x = 6,465.28

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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.