Home / 4,283.63-6,421.55-1,649.45

Finding the Fourth Proportional to 4,283.63, 6,421.55 and 1,649.45

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Solution

The fourth proportional to 4,283.63, 6,421.55 and 1,649.45 is: 2,472.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,283.63 : 6,421.55 = 1,649.45 : x
  2. Step 2: Convert to fraction form
    4,283.63/6,421.55 = 1,649.45/x
  3. Step 3: Cross multiply
    4,283.63x = 6,421.55 × 1,649.45
  4. Step 4: Simplify right side
    4,283.63x = 10,592,025.65
  5. Step 5: Solve for x
    x = 10,592,025.65/4,283.63
  6. Step 6: Final answer
    x = 2,472.68

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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.