Home / 9,434.28-14,155.23-3,890.40

Finding the Fourth Proportional to 9,434.28, 14,155.23 and 3,890.40

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Solution

The fourth proportional to 9,434.28, 14,155.23 and 3,890.40 is: 5,837.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,434.28 : 14,155.23 = 3,890.40 : x
  2. Step 2: Convert to fraction form
    9,434.28/14,155.23 = 3,890.40/x
  3. Step 3: Cross multiply
    9,434.28x = 14,155.23 × 3,890.40
  4. Step 4: Simplify right side
    9,434.28x = 55,069,506.79
  5. Step 5: Solve for x
    x = 55,069,506.79/9,434.28
  6. Step 6: Final answer
    x = 5,837.17

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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.