Home / 9,090.14-13,628.90-4,639.16

Finding the Fourth Proportional to 9,090.14, 13,628.90 and 4,639.16

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Solution

The fourth proportional to 9,090.14, 13,628.90 and 4,639.16 is: 6,955.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,090.14 : 13,628.90 = 4,639.16 : x
  2. Step 2: Convert to fraction form
    9,090.14/13,628.90 = 4,639.16/x
  3. Step 3: Cross multiply
    9,090.14x = 13,628.90 × 4,639.16
  4. Step 4: Simplify right side
    9,090.14x = 63,226,647.72
  5. Step 5: Solve for x
    x = 63,226,647.72/9,090.14
  6. Step 6: Final answer
    x = 6,955.52

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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.