Home / 9,130.58-12,600.36-5,356.45

Finding the Fourth Proportional to 9,130.58, 12,600.36 and 5,356.45

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Solution

The fourth proportional to 9,130.58, 12,600.36 and 5,356.45 is: 7,392.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,130.58 : 12,600.36 = 5,356.45 : x
  2. Step 2: Convert to fraction form
    9,130.58/12,600.36 = 5,356.45/x
  3. Step 3: Cross multiply
    9,130.58x = 12,600.36 × 5,356.45
  4. Step 4: Simplify right side
    9,130.58x = 67,493,166.82
  5. Step 5: Solve for x
    x = 67,493,166.82/9,130.58
  6. Step 6: Final answer
    x = 7,392.00

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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.