Home / 4,679.15-6,457.23-2,690.10

Finding the Fourth Proportional to 4,679.15, 6,457.23 and 2,690.10

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Solution

The fourth proportional to 4,679.15, 6,457.23 and 2,690.10 is: 3,712.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679.15 : 6,457.23 = 2,690.10 : x
  2. Step 2: Convert to fraction form
    4,679.15/6,457.23 = 2,690.10/x
  3. Step 3: Cross multiply
    4,679.15x = 6,457.23 × 2,690.10
  4. Step 4: Simplify right side
    4,679.15x = 17,370,594.42
  5. Step 5: Solve for x
    x = 17,370,594.42/4,679.15
  6. Step 6: Final answer
    x = 3,712.34

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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.