Home / 4,915.35-7,360.34-2,721.51

Finding the Fourth Proportional to 4,915.35, 7,360.34 and 2,721.51

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Solution

The fourth proportional to 4,915.35, 7,360.34 and 2,721.51 is: 4,075.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915.35 : 7,360.34 = 2,721.51 : x
  2. Step 2: Convert to fraction form
    4,915.35/7,360.34 = 2,721.51/x
  3. Step 3: Cross multiply
    4,915.35x = 7,360.34 × 2,721.51
  4. Step 4: Simplify right side
    4,915.35x = 20,031,225.31
  5. Step 5: Solve for x
    x = 20,031,225.31/4,915.35
  6. Step 6: Final answer
    x = 4,075.24

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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.