Home / 4,340.34-6,510.54-3,420.84

Finding the Fourth Proportional to 4,340.34, 6,510.54 and 3,420.84

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Solution

The fourth proportional to 4,340.34, 6,510.54 and 3,420.84 is: 5,131.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,340.34 : 6,510.54 = 3,420.84 : x
  2. Step 2: Convert to fraction form
    4,340.34/6,510.54 = 3,420.84/x
  3. Step 3: Cross multiply
    4,340.34x = 6,510.54 × 3,420.84
  4. Step 4: Simplify right side
    4,340.34x = 22,271,515.65
  5. Step 5: Solve for x
    x = 22,271,515.65/4,340.34
  6. Step 6: Final answer
    x = 5,131.28

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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.