Home / 4,280-5,904.57-2,487.35

Finding the Fourth Proportional to 4,280, 5,904.57 and 2,487.35

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Solution

The fourth proportional to 4,280, 5,904.57 and 2,487.35 is: 3,431.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,280 : 5,904.57 = 2,487.35 : x
  2. Step 2: Convert to fraction form
    4,280/5,904.57 = 2,487.35/x
  3. Step 3: Cross multiply
    4,280x = 5,904.57 × 2,487.35
  4. Step 4: Simplify right side
    4,280x = 14,686,732.19
  5. Step 5: Solve for x
    x = 14,686,732.19/4,280
  6. Step 6: Final answer
    x = 3,431.48

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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.