Home / 6,628.08-9,148.02-4,390.04

Finding the Fourth Proportional to 6,628.08, 9,148.02 and 4,390.04

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Solution

The fourth proportional to 6,628.08, 9,148.02 and 4,390.04 is: 6,059.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,628.08 : 9,148.02 = 4,390.04 : x
  2. Step 2: Convert to fraction form
    6,628.08/9,148.02 = 4,390.04/x
  3. Step 3: Cross multiply
    6,628.08x = 9,148.02 × 4,390.04
  4. Step 4: Simplify right side
    6,628.08x = 40,160,173.72
  5. Step 5: Solve for x
    x = 40,160,173.72/6,628.08
  6. Step 6: Final answer
    x = 6,059.10

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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.