Home / 7,718.16-11,567.76-4,210.08

Finding the Fourth Proportional to 7,718.16, 11,567.76 and 4,210.08

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Solution

The fourth proportional to 7,718.16, 11,567.76 and 4,210.08 is: 6,309.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,718.16 : 11,567.76 = 4,210.08 : x
  2. Step 2: Convert to fraction form
    7,718.16/11,567.76 = 4,210.08/x
  3. Step 3: Cross multiply
    7,718.16x = 11,567.76 × 4,210.08
  4. Step 4: Simplify right side
    7,718.16x = 48,701,195.02
  5. Step 5: Solve for x
    x = 48,701,195.02/7,718.16
  6. Step 6: Final answer
    x = 6,309.95

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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.