Home / 4,330.48-6,490.08-3,148.48

Finding the Fourth Proportional to 4,330.48, 6,490.08 and 3,148.48

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Solution

The fourth proportional to 4,330.48, 6,490.08 and 3,148.48 is: 4,718.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,330.48 : 6,490.08 = 3,148.48 : x
  2. Step 2: Convert to fraction form
    4,330.48/6,490.08 = 3,148.48/x
  3. Step 3: Cross multiply
    4,330.48x = 6,490.08 × 3,148.48
  4. Step 4: Simplify right side
    4,330.48x = 20,433,887.08
  5. Step 5: Solve for x
    x = 20,433,887.08/4,330.48
  6. Step 6: Final answer
    x = 4,718.62

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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.