Home / 9,346.40-12,898.16-5,154.64

Finding the Fourth Proportional to 9,346.40, 12,898.16 and 5,154.64

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Solution

The fourth proportional to 9,346.40, 12,898.16 and 5,154.64 is: 7,113.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,346.40 : 12,898.16 = 5,154.64 : x
  2. Step 2: Convert to fraction form
    9,346.40/12,898.16 = 5,154.64/x
  3. Step 3: Cross multiply
    9,346.40x = 12,898.16 × 5,154.64
  4. Step 4: Simplify right side
    9,346.40x = 66,485,371.46
  5. Step 5: Solve for x
    x = 66,485,371.46/9,346.40
  6. Step 6: Final answer
    x = 7,113.47

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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.