Home / 4,290.51-6,432.60-2,900.40

Finding the Fourth Proportional to 4,290.51, 6,432.60 and 2,900.40

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Solution

The fourth proportional to 4,290.51, 6,432.60 and 2,900.40 is: 4,348.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290.51 : 6,432.60 = 2,900.40 : x
  2. Step 2: Convert to fraction form
    4,290.51/6,432.60 = 2,900.40/x
  3. Step 3: Cross multiply
    4,290.51x = 6,432.60 × 2,900.40
  4. Step 4: Simplify right side
    4,290.51x = 18,657,113.04
  5. Step 5: Solve for x
    x = 18,657,113.04/4,290.51
  6. Step 6: Final answer
    x = 4,348.46

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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.