Home / 7,620.60-10,516.36-4,263.40

Finding the Fourth Proportional to 7,620.60, 10,516.36 and 4,263.40

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Solution

The fourth proportional to 7,620.60, 10,516.36 and 4,263.40 is: 5,883.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,620.60 : 10,516.36 = 4,263.40 : x
  2. Step 2: Convert to fraction form
    7,620.60/10,516.36 = 4,263.40/x
  3. Step 3: Cross multiply
    7,620.60x = 10,516.36 × 4,263.40
  4. Step 4: Simplify right side
    7,620.60x = 44,835,449.22
  5. Step 5: Solve for x
    x = 44,835,449.22/7,620.60
  6. Step 6: Final answer
    x = 5,883.45

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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.