Home / 8,878.37-13,313.65-4,717.40

Finding the Fourth Proportional to 8,878.37, 13,313.65 and 4,717.40

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Solution

The fourth proportional to 8,878.37, 13,313.65 and 4,717.40 is: 7,074.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,878.37 : 13,313.65 = 4,717.40 : x
  2. Step 2: Convert to fraction form
    8,878.37/13,313.65 = 4,717.40/x
  3. Step 3: Cross multiply
    8,878.37x = 13,313.65 × 4,717.40
  4. Step 4: Simplify right side
    8,878.37x = 62,805,812.51
  5. Step 5: Solve for x
    x = 62,805,812.51/8,878.37
  6. Step 6: Final answer
    x = 7,074.03

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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.