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Finding the Fourth Proportional to 7,585.50, 10,462.85 and 4,928.16

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Solution

The fourth proportional to 7,585.50, 10,462.85 and 4,928.16 is: 6,797.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,585.50 : 10,462.85 = 4,928.16 : x
  2. Step 2: Convert to fraction form
    7,585.50/10,462.85 = 4,928.16/x
  3. Step 3: Cross multiply
    7,585.50x = 10,462.85 × 4,928.16
  4. Step 4: Simplify right side
    7,585.50x = 51,562,574.22
  5. Step 5: Solve for x
    x = 51,562,574.22/7,585.50
  6. Step 6: Final answer
    x = 6,797.52

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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.