Home / 8,923.16-12,313.80-4,943.72

Finding the Fourth Proportional to 8,923.16, 12,313.80 and 4,943.72

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Solution

The fourth proportional to 8,923.16, 12,313.80 and 4,943.72 is: 6,822.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,923.16 : 12,313.80 = 4,943.72 : x
  2. Step 2: Convert to fraction form
    8,923.16/12,313.80 = 4,943.72/x
  3. Step 3: Cross multiply
    8,923.16x = 12,313.80 × 4,943.72
  4. Step 4: Simplify right side
    8,923.16x = 60,875,979.34
  5. Step 5: Solve for x
    x = 60,875,979.34/8,923.16
  6. Step 6: Final answer
    x = 6,822.24

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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.