Home / 6,928.65-10,439.76-5,723.07

Finding the Fourth Proportional to 6,928.65, 10,439.76 and 5,723.07

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Solution

The fourth proportional to 6,928.65, 10,439.76 and 5,723.07 is: 8,623.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,928.65 : 10,439.76 = 5,723.07 : x
  2. Step 2: Convert to fraction form
    6,928.65/10,439.76 = 5,723.07/x
  3. Step 3: Cross multiply
    6,928.65x = 10,439.76 × 5,723.07
  4. Step 4: Simplify right side
    6,928.65x = 59,747,477.26
  5. Step 5: Solve for x
    x = 59,747,477.26/6,928.65
  6. Step 6: Final answer
    x = 8,623.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.