Home / 5,052.80-7,580.57-1,931.16

Finding the Fourth Proportional to 5,052.80, 7,580.57 and 1,931.16

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Solution

The fourth proportional to 5,052.80, 7,580.57 and 1,931.16 is: 2,897.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,052.80 : 7,580.57 = 1,931.16 : x
  2. Step 2: Convert to fraction form
    5,052.80/7,580.57 = 1,931.16/x
  3. Step 3: Cross multiply
    5,052.80x = 7,580.57 × 1,931.16
  4. Step 4: Simplify right side
    5,052.80x = 14,639,312.51
  5. Step 5: Solve for x
    x = 14,639,312.51/5,052.80
  6. Step 6: Final answer
    x = 2,897.27

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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.