Home / 5,384.40-7,430.90-3,026.89

Finding the Fourth Proportional to 5,384.40, 7,430.90 and 3,026.89

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Solution

The fourth proportional to 5,384.40, 7,430.90 and 3,026.89 is: 4,177.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,384.40 : 7,430.90 = 3,026.89 : x
  2. Step 2: Convert to fraction form
    5,384.40/7,430.90 = 3,026.89/x
  3. Step 3: Cross multiply
    5,384.40x = 7,430.90 × 3,026.89
  4. Step 4: Simplify right side
    5,384.40x = 22,492,516.90
  5. Step 5: Solve for x
    x = 22,492,516.90/5,384.40
  6. Step 6: Final answer
    x = 4,177.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.