Home / 9,130.36-12,599.58-5,599.48

Finding the Fourth Proportional to 9,130.36, 12,599.58 and 5,599.48

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Solution

The fourth proportional to 9,130.36, 12,599.58 and 5,599.48 is: 7,727.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,130.36 : 12,599.58 = 5,599.48 : x
  2. Step 2: Convert to fraction form
    9,130.36/12,599.58 = 5,599.48/x
  3. Step 3: Cross multiply
    9,130.36x = 12,599.58 × 5,599.48
  4. Step 4: Simplify right side
    9,130.36x = 70,551,096.22
  5. Step 5: Solve for x
    x = 70,551,096.22/9,130.36
  6. Step 6: Final answer
    x = 7,727.09

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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.