Home / 7,629.36-10,528.68-5,395.24

Finding the Fourth Proportional to 7,629.36, 10,528.68 and 5,395.24

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Solution

The fourth proportional to 7,629.36, 10,528.68 and 5,395.24 is: 7,445.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,629.36 : 10,528.68 = 5,395.24 : x
  2. Step 2: Convert to fraction form
    7,629.36/10,528.68 = 5,395.24/x
  3. Step 3: Cross multiply
    7,629.36x = 10,528.68 × 5,395.24
  4. Step 4: Simplify right side
    7,629.36x = 56,804,755.48
  5. Step 5: Solve for x
    x = 56,804,755.48/7,629.36
  6. Step 6: Final answer
    x = 7,445.55

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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.