Home / 7,660.02-10,574.85-5,155.29

Finding the Fourth Proportional to 7,660.02, 10,574.85 and 5,155.29

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Solution

The fourth proportional to 7,660.02, 10,574.85 and 5,155.29 is: 7,117.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,660.02 : 10,574.85 = 5,155.29 : x
  2. Step 2: Convert to fraction form
    7,660.02/10,574.85 = 5,155.29/x
  3. Step 3: Cross multiply
    7,660.02x = 10,574.85 × 5,155.29
  4. Step 4: Simplify right side
    7,660.02x = 54,516,477.44
  5. Step 5: Solve for x
    x = 54,516,477.44/7,660.02
  6. Step 6: Final answer
    x = 7,117.02

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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.