Home / 9,364.44-12,921.45-5,384.76

Finding the Fourth Proportional to 9,364.44, 12,921.45 and 5,384.76

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Solution

The fourth proportional to 9,364.44, 12,921.45 and 5,384.76 is: 7,430.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,364.44 : 12,921.45 = 5,384.76 : x
  2. Step 2: Convert to fraction form
    9,364.44/12,921.45 = 5,384.76/x
  3. Step 3: Cross multiply
    9,364.44x = 12,921.45 × 5,384.76
  4. Step 4: Simplify right side
    9,364.44x = 69,578,907.10
  5. Step 5: Solve for x
    x = 69,578,907.10/9,364.44
  6. Step 6: Final answer
    x = 7,430.12

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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.