Home / 7,727.36-10,665.12-4,585.28

Finding the Fourth Proportional to 7,727.36, 10,665.12 and 4,585.28

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Solution

The fourth proportional to 7,727.36, 10,665.12 and 4,585.28 is: 6,328.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,727.36 : 10,665.12 = 4,585.28 : x
  2. Step 2: Convert to fraction form
    7,727.36/10,665.12 = 4,585.28/x
  3. Step 3: Cross multiply
    7,727.36x = 10,665.12 × 4,585.28
  4. Step 4: Simplify right side
    7,727.36x = 48,902,561.43
  5. Step 5: Solve for x
    x = 48,902,561.43/7,727.36
  6. Step 6: Final answer
    x = 6,328.50

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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.