Home / 6,360.91-8,777.75-3,528.40

Finding the Fourth Proportional to 6,360.91, 8,777.75 and 3,528.40

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Solution

The fourth proportional to 6,360.91, 8,777.75 and 3,528.40 is: 4,869.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,360.91 : 8,777.75 = 3,528.40 : x
  2. Step 2: Convert to fraction form
    6,360.91/8,777.75 = 3,528.40/x
  3. Step 3: Cross multiply
    6,360.91x = 8,777.75 × 3,528.40
  4. Step 4: Simplify right side
    6,360.91x = 30,971,413.10
  5. Step 5: Solve for x
    x = 30,971,413.10/6,360.91
  6. Step 6: Final answer
    x = 4,869.02

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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.