Home / 4,287.08-6,430.55-1,365.35

Finding the Fourth Proportional to 4,287.08, 6,430.55 and 1,365.35

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Solution

The fourth proportional to 4,287.08, 6,430.55 and 1,365.35 is: 2,047.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287.08 : 6,430.55 = 1,365.35 : x
  2. Step 2: Convert to fraction form
    4,287.08/6,430.55 = 1,365.35/x
  3. Step 3: Cross multiply
    4,287.08x = 6,430.55 × 1,365.35
  4. Step 4: Simplify right side
    4,287.08x = 8,779,912.46
  5. Step 5: Solve for x
    x = 8,779,912.46/4,287.08
  6. Step 6: Final answer
    x = 2,047.99

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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.