Home / 9,461.66-13,057.09-5,485.07

Finding the Fourth Proportional to 9,461.66, 13,057.09 and 5,485.07

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Solution

The fourth proportional to 9,461.66, 13,057.09 and 5,485.07 is: 7,569.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,461.66 : 13,057.09 = 5,485.07 : x
  2. Step 2: Convert to fraction form
    9,461.66/13,057.09 = 5,485.07/x
  3. Step 3: Cross multiply
    9,461.66x = 13,057.09 × 5,485.07
  4. Step 4: Simplify right side
    9,461.66x = 71,619,071.58
  5. Step 5: Solve for x
    x = 71,619,071.58/9,461.66
  6. Step 6: Final answer
    x = 7,569.40

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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.