Home / 7,650.64-11,454.24-4,870.40

Finding the Fourth Proportional to 7,650.64, 11,454.24 and 4,870.40

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Solution

The fourth proportional to 7,650.64, 11,454.24 and 4,870.40 is: 7,291.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,650.64 : 11,454.24 = 4,870.40 : x
  2. Step 2: Convert to fraction form
    7,650.64/11,454.24 = 4,870.40/x
  3. Step 3: Cross multiply
    7,650.64x = 11,454.24 × 4,870.40
  4. Step 4: Simplify right side
    7,650.64x = 55,786,730.50
  5. Step 5: Solve for x
    x = 55,786,730.50/7,650.64
  6. Step 6: Final answer
    x = 7,291.77

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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.