Home / 9,130.69-12,600.36-4,938.94

Finding the Fourth Proportional to 9,130.69, 12,600.36 and 4,938.94

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Solution

The fourth proportional to 9,130.69, 12,600.36 and 4,938.94 is: 6,815.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,130.69 : 12,600.36 = 4,938.94 : x
  2. Step 2: Convert to fraction form
    9,130.69/12,600.36 = 4,938.94/x
  3. Step 3: Cross multiply
    9,130.69x = 12,600.36 × 4,938.94
  4. Step 4: Simplify right side
    9,130.69x = 62,232,390.52
  5. Step 5: Solve for x
    x = 62,232,390.52/9,130.69
  6. Step 6: Final answer
    x = 6,815.74

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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.