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Finding the Fourth Proportional to 5,253.93, 7,880.81 and 1,556.19

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Solution

The fourth proportional to 5,253.93, 7,880.81 and 1,556.19 is: 2,334.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,253.93 : 7,880.81 = 1,556.19 : x
  2. Step 2: Convert to fraction form
    5,253.93/7,880.81 = 1,556.19/x
  3. Step 3: Cross multiply
    5,253.93x = 7,880.81 × 1,556.19
  4. Step 4: Simplify right side
    5,253.93x = 12,264,029.93
  5. Step 5: Solve for x
    x = 12,264,029.93/5,253.93
  6. Step 6: Final answer
    x = 2,334.26

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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.