Home / 4,559.90-6,838.86-1,440.15

Finding the Fourth Proportional to 4,559.90, 6,838.86 and 1,440.15

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Solution

The fourth proportional to 4,559.90, 6,838.86 and 1,440.15 is: 2,159.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,559.90 : 6,838.86 = 1,440.15 : x
  2. Step 2: Convert to fraction form
    4,559.90/6,838.86 = 1,440.15/x
  3. Step 3: Cross multiply
    4,559.90x = 6,838.86 × 1,440.15
  4. Step 4: Simplify right side
    4,559.90x = 9,848,984.23
  5. Step 5: Solve for x
    x = 9,848,984.23/4,559.90
  6. Step 6: Final answer
    x = 2,159.91

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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.