Home / 9,756.63-13,464.08-5,280.35

Finding the Fourth Proportional to 9,756.63, 13,464.08 and 5,280.35

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Solution

The fourth proportional to 9,756.63, 13,464.08 and 5,280.35 is: 7,286.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,756.63 : 13,464.08 = 5,280.35 : x
  2. Step 2: Convert to fraction form
    9,756.63/13,464.08 = 5,280.35/x
  3. Step 3: Cross multiply
    9,756.63x = 13,464.08 × 5,280.35
  4. Step 4: Simplify right side
    9,756.63x = 71,094,961.11
  5. Step 5: Solve for x
    x = 71,094,961.11/9,756.63
  6. Step 6: Final answer
    x = 7,286.84

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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.