Home / 4,666.19-6,440.70-2,779.10

Finding the Fourth Proportional to 4,666.19, 6,440.70 and 2,779.10

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Solution

The fourth proportional to 4,666.19, 6,440.70 and 2,779.10 is: 3,835.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,666.19 : 6,440.70 = 2,779.10 : x
  2. Step 2: Convert to fraction form
    4,666.19/6,440.70 = 2,779.10/x
  3. Step 3: Cross multiply
    4,666.19x = 6,440.70 × 2,779.10
  4. Step 4: Simplify right side
    4,666.19x = 17,899,317.17
  5. Step 5: Solve for x
    x = 17,899,317.17/4,666.19
  6. Step 6: Final answer
    x = 3,835.96

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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.