Home / 4,677.26-7,017.05-1,390.35

Finding the Fourth Proportional to 4,677.26, 7,017.05 and 1,390.35

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Solution

The fourth proportional to 4,677.26, 7,017.05 and 1,390.35 is: 2,085.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,677.26 : 7,017.05 = 1,390.35 : x
  2. Step 2: Convert to fraction form
    4,677.26/7,017.05 = 1,390.35/x
  3. Step 3: Cross multiply
    4,677.26x = 7,017.05 × 1,390.35
  4. Step 4: Simplify right side
    4,677.26x = 9,756,155.47
  5. Step 5: Solve for x
    x = 9,756,155.47/4,677.26
  6. Step 6: Final answer
    x = 2,085.87

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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.