Home / 6,630.03-9,145.63-4,141.71

Finding the Fourth Proportional to 6,630.03, 9,145.63 and 4,141.71

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Solution

The fourth proportional to 6,630.03, 9,145.63 and 4,141.71 is: 5,713.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,630.03 : 9,145.63 = 4,141.71 : x
  2. Step 2: Convert to fraction form
    6,630.03/9,145.63 = 4,141.71/x
  3. Step 3: Cross multiply
    6,630.03x = 9,145.63 × 4,141.71
  4. Step 4: Simplify right side
    6,630.03x = 37,878,547.23
  5. Step 5: Solve for x
    x = 37,878,547.23/6,630.03
  6. Step 6: Final answer
    x = 5,713.18

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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.