Home / 4,642.79-6,970.67-3,087.59

Finding the Fourth Proportional to 4,642.79, 6,970.67 and 3,087.59

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Solution

The fourth proportional to 4,642.79, 6,970.67 and 3,087.59 is: 4,635.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,642.79 : 6,970.67 = 3,087.59 : x
  2. Step 2: Convert to fraction form
    4,642.79/6,970.67 = 3,087.59/x
  3. Step 3: Cross multiply
    4,642.79x = 6,970.67 × 3,087.59
  4. Step 4: Simplify right side
    4,642.79x = 21,522,570.99
  5. Step 5: Solve for x
    x = 21,522,570.99/4,642.79
  6. Step 6: Final answer
    x = 4,635.70

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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.