Home / 7,688.13-11,535.84-4,574.29

Finding the Fourth Proportional to 7,688.13, 11,535.84 and 4,574.29

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Solution

The fourth proportional to 7,688.13, 11,535.84 and 4,574.29 is: 6,863.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,688.13 : 11,535.84 = 4,574.29 : x
  2. Step 2: Convert to fraction form
    7,688.13/11,535.84 = 4,574.29/x
  3. Step 3: Cross multiply
    7,688.13x = 11,535.84 × 4,574.29
  4. Step 4: Simplify right side
    7,688.13x = 52,768,277.55
  5. Step 5: Solve for x
    x = 52,768,277.55/7,688.13
  6. Step 6: Final answer
    x = 6,863.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.