Home / 4,319.63-6,478.08-1,397.25

Finding the Fourth Proportional to 4,319.63, 6,478.08 and 1,397.25

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Solution

The fourth proportional to 4,319.63, 6,478.08 and 1,397.25 is: 2,095.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,319.63 : 6,478.08 = 1,397.25 : x
  2. Step 2: Convert to fraction form
    4,319.63/6,478.08 = 1,397.25/x
  3. Step 3: Cross multiply
    4,319.63x = 6,478.08 × 1,397.25
  4. Step 4: Simplify right side
    4,319.63x = 9,051,492.04
  5. Step 5: Solve for x
    x = 9,051,492.04/4,319.63
  6. Step 6: Final answer
    x = 2,095.43

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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.