Home / 9,225.36-12,730.93-5,246.47

Finding the Fourth Proportional to 9,225.36, 12,730.93 and 5,246.47

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Solution

The fourth proportional to 9,225.36, 12,730.93 and 5,246.47 is: 7,240.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,225.36 : 12,730.93 = 5,246.47 : x
  2. Step 2: Convert to fraction form
    9,225.36/12,730.93 = 5,246.47/x
  3. Step 3: Cross multiply
    9,225.36x = 12,730.93 × 5,246.47
  4. Step 4: Simplify right side
    9,225.36x = 66,792,442.32
  5. Step 5: Solve for x
    x = 66,792,442.32/9,225.36
  6. Step 6: Final answer
    x = 7,240.09

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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.