Home / 8,901.34-13,353.03-3,970.36

Finding the Fourth Proportional to 8,901.34, 13,353.03 and 3,970.36

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Solution

The fourth proportional to 8,901.34, 13,353.03 and 3,970.36 is: 5,955.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,901.34 : 13,353.03 = 3,970.36 : x
  2. Step 2: Convert to fraction form
    8,901.34/13,353.03 = 3,970.36/x
  3. Step 3: Cross multiply
    8,901.34x = 13,353.03 × 3,970.36
  4. Step 4: Simplify right side
    8,901.34x = 53,016,302.81
  5. Step 5: Solve for x
    x = 53,016,302.81/8,901.34
  6. Step 6: Final answer
    x = 5,955.99

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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.