Home / 7,731.02-10,660.74-4,586.60

Finding the Fourth Proportional to 7,731.02, 10,660.74 and 4,586.60

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Solution

The fourth proportional to 7,731.02, 10,660.74 and 4,586.60 is: 6,324.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.02 : 10,660.74 = 4,586.60 : x
  2. Step 2: Convert to fraction form
    7,731.02/10,660.74 = 4,586.60/x
  3. Step 3: Cross multiply
    7,731.02x = 10,660.74 × 4,586.60
  4. Step 4: Simplify right side
    7,731.02x = 48,896,550.08
  5. Step 5: Solve for x
    x = 48,896,550.08/7,731.02
  6. Step 6: Final answer
    x = 6,324.72

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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.