Home / 6,430.87-8,874.95-3,598.07

Finding the Fourth Proportional to 6,430.87, 8,874.95 and 3,598.07

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Solution

The fourth proportional to 6,430.87, 8,874.95 and 3,598.07 is: 4,965.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,430.87 : 8,874.95 = 3,598.07 : x
  2. Step 2: Convert to fraction form
    6,430.87/8,874.95 = 3,598.07/x
  3. Step 3: Cross multiply
    6,430.87x = 8,874.95 × 3,598.07
  4. Step 4: Simplify right side
    6,430.87x = 31,932,678.90
  5. Step 5: Solve for x
    x = 31,932,678.90/6,430.87
  6. Step 6: Final answer
    x = 4,965.53

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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.