Home / 5,252.77-7,880.31-1,555.29

Finding the Fourth Proportional to 5,252.77, 7,880.31 and 1,555.29

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Solution

The fourth proportional to 5,252.77, 7,880.31 and 1,555.29 is: 2,333.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,252.77 : 7,880.31 = 1,555.29 : x
  2. Step 2: Convert to fraction form
    5,252.77/7,880.31 = 1,555.29/x
  3. Step 3: Cross multiply
    5,252.77x = 7,880.31 × 1,555.29
  4. Step 4: Simplify right side
    5,252.77x = 12,256,155.71
  5. Step 5: Solve for x
    x = 12,256,155.71/5,252.77
  6. Step 6: Final answer
    x = 2,333.27

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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.