Home / 4,854.90-7,281.63-2,389.05

Finding the Fourth Proportional to 4,854.90, 7,281.63 and 2,389.05

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Solution

The fourth proportional to 4,854.90, 7,281.63 and 2,389.05 is: 3,583.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,854.90 : 7,281.63 = 2,389.05 : x
  2. Step 2: Convert to fraction form
    4,854.90/7,281.63 = 2,389.05/x
  3. Step 3: Cross multiply
    4,854.90x = 7,281.63 × 2,389.05
  4. Step 4: Simplify right side
    4,854.90x = 17,396,178.15
  5. Step 5: Solve for x
    x = 17,396,178.15/4,854.90
  6. Step 6: Final answer
    x = 3,583.22

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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.