Home / 4,286.58-6,430.68-2,903.10

Finding the Fourth Proportional to 4,286.58, 6,430.68 and 2,903.10

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Solution

The fourth proportional to 4,286.58, 6,430.68 and 2,903.10 is: 4,355.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,286.58 : 6,430.68 = 2,903.10 : x
  2. Step 2: Convert to fraction form
    4,286.58/6,430.68 = 2,903.10/x
  3. Step 3: Cross multiply
    4,286.58x = 6,430.68 × 2,903.10
  4. Step 4: Simplify right side
    4,286.58x = 18,668,907.11
  5. Step 5: Solve for x
    x = 18,668,907.11/4,286.58
  6. Step 6: Final answer
    x = 4,355.20

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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.