Home / 5,012.24-6,915.64-2,888.40

Finding the Fourth Proportional to 5,012.24, 6,915.64 and 2,888.40

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Solution

The fourth proportional to 5,012.24, 6,915.64 and 2,888.40 is: 3,985.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,012.24 : 6,915.64 = 2,888.40 : x
  2. Step 2: Convert to fraction form
    5,012.24/6,915.64 = 2,888.40/x
  3. Step 3: Cross multiply
    5,012.24x = 6,915.64 × 2,888.40
  4. Step 4: Simplify right side
    5,012.24x = 19,975,134.58
  5. Step 5: Solve for x
    x = 19,975,134.58/5,012.24
  6. Step 6: Final answer
    x = 3,985.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.