Home / 9,362.40-12,921.08-5,730.56

Finding the Fourth Proportional to 9,362.40, 12,921.08 and 5,730.56

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Solution

The fourth proportional to 9,362.40, 12,921.08 and 5,730.56 is: 7,908.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,362.40 : 12,921.08 = 5,730.56 : x
  2. Step 2: Convert to fraction form
    9,362.40/12,921.08 = 5,730.56/x
  3. Step 3: Cross multiply
    9,362.40x = 12,921.08 × 5,730.56
  4. Step 4: Simplify right side
    9,362.40x = 74,045,024.20
  5. Step 5: Solve for x
    x = 74,045,024.20/9,362.40
  6. Step 6: Final answer
    x = 7,908.77

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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.