Home / 4,191.47-6,287.05-1,071.45

Finding the Fourth Proportional to 4,191.47, 6,287.05 and 1,071.45

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Solution

The fourth proportional to 4,191.47, 6,287.05 and 1,071.45 is: 1,607.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191.47 : 6,287.05 = 1,071.45 : x
  2. Step 2: Convert to fraction form
    4,191.47/6,287.05 = 1,071.45/x
  3. Step 3: Cross multiply
    4,191.47x = 6,287.05 × 1,071.45
  4. Step 4: Simplify right side
    4,191.47x = 6,736,261.06
  5. Step 5: Solve for x
    x = 6,736,261.06/4,191.47
  6. Step 6: Final answer
    x = 1,607.14

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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.