Home / 4,897.23-7,344.91-1,386.39

Finding the Fourth Proportional to 4,897.23, 7,344.91 and 1,386.39

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Solution

The fourth proportional to 4,897.23, 7,344.91 and 1,386.39 is: 2,079.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,897.23 : 7,344.91 = 1,386.39 : x
  2. Step 2: Convert to fraction form
    4,897.23/7,344.91 = 1,386.39/x
  3. Step 3: Cross multiply
    4,897.23x = 7,344.91 × 1,386.39
  4. Step 4: Simplify right side
    4,897.23x = 10,182,902.84
  5. Step 5: Solve for x
    x = 10,182,902.84/4,897.23
  6. Step 6: Final answer
    x = 2,079.32

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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.