Home / 8,953.39-13,430.78-2,713.93

Finding the Fourth Proportional to 8,953.39, 13,430.78 and 2,713.93

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Solution

The fourth proportional to 8,953.39, 13,430.78 and 2,713.93 is: 4,071.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,953.39 : 13,430.78 = 2,713.93 : x
  2. Step 2: Convert to fraction form
    8,953.39/13,430.78 = 2,713.93/x
  3. Step 3: Cross multiply
    8,953.39x = 13,430.78 × 2,713.93
  4. Step 4: Simplify right side
    8,953.39x = 36,450,203.29
  5. Step 5: Solve for x
    x = 36,450,203.29/8,953.39
  6. Step 6: Final answer
    x = 4,071.11

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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.