Home / 5,289.40-7,299.45-2,899.34

Finding the Fourth Proportional to 5,289.40, 7,299.45 and 2,899.34

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Solution

The fourth proportional to 5,289.40, 7,299.45 and 2,899.34 is: 4,001.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.40 : 7,299.45 = 2,899.34 : x
  2. Step 2: Convert to fraction form
    5,289.40/7,299.45 = 2,899.34/x
  3. Step 3: Cross multiply
    5,289.40x = 7,299.45 × 2,899.34
  4. Step 4: Simplify right side
    5,289.40x = 21,163,587.36
  5. Step 5: Solve for x
    x = 21,163,587.36/5,289.40
  6. Step 6: Final answer
    x = 4,001.14

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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.