Home / 5,302.90-7,954.80-1,407.25

Finding the Fourth Proportional to 5,302.90, 7,954.80 and 1,407.25

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Solution

The fourth proportional to 5,302.90, 7,954.80 and 1,407.25 is: 2,110.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,302.90 : 7,954.80 = 1,407.25 : x
  2. Step 2: Convert to fraction form
    5,302.90/7,954.80 = 1,407.25/x
  3. Step 3: Cross multiply
    5,302.90x = 7,954.80 × 1,407.25
  4. Step 4: Simplify right side
    5,302.90x = 11,194,392.30
  5. Step 5: Solve for x
    x = 11,194,392.30/5,302.90
  6. Step 6: Final answer
    x = 2,110.99

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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.