Home / 4,779.39-6,598.74-2,989.59

Finding the Fourth Proportional to 4,779.39, 6,598.74 and 2,989.59

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Solution

The fourth proportional to 4,779.39, 6,598.74 and 2,989.59 is: 4,127.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779.39 : 6,598.74 = 2,989.59 : x
  2. Step 2: Convert to fraction form
    4,779.39/6,598.74 = 2,989.59/x
  3. Step 3: Cross multiply
    4,779.39x = 6,598.74 × 2,989.59
  4. Step 4: Simplify right side
    4,779.39x = 19,727,527.12
  5. Step 5: Solve for x
    x = 19,727,527.12/4,779.39
  6. Step 6: Final answer
    x = 4,127.62

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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.