Home / 6,616.08-9,130.93-3,783.81

Finding the Fourth Proportional to 6,616.08, 9,130.93 and 3,783.81

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Solution

The fourth proportional to 6,616.08, 9,130.93 and 3,783.81 is: 5,222.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,616.08 : 9,130.93 = 3,783.81 : x
  2. Step 2: Convert to fraction form
    6,616.08/9,130.93 = 3,783.81/x
  3. Step 3: Cross multiply
    6,616.08x = 9,130.93 × 3,783.81
  4. Step 4: Simplify right side
    6,616.08x = 34,549,729.02
  5. Step 5: Solve for x
    x = 34,549,729.02/6,616.08
  6. Step 6: Final answer
    x = 5,222.08

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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.