Home / 4,283.74-6,420.99-2,802.40

Finding the Fourth Proportional to 4,283.74, 6,420.99 and 2,802.40

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Solution

The fourth proportional to 4,283.74, 6,420.99 and 2,802.40 is: 4,200.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,283.74 : 6,420.99 = 2,802.40 : x
  2. Step 2: Convert to fraction form
    4,283.74/6,420.99 = 2,802.40/x
  3. Step 3: Cross multiply
    4,283.74x = 6,420.99 × 2,802.40
  4. Step 4: Simplify right side
    4,283.74x = 17,994,182.38
  5. Step 5: Solve for x
    x = 17,994,182.38/4,283.74
  6. Step 6: Final answer
    x = 4,200.58

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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.