Home / 9,130.93-12,601.65-5,357.28

Finding the Fourth Proportional to 9,130.93, 12,601.65 and 5,357.28

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Solution

The fourth proportional to 9,130.93, 12,601.65 and 5,357.28 is: 7,393.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,130.93 : 12,601.65 = 5,357.28 : x
  2. Step 2: Convert to fraction form
    9,130.93/12,601.65 = 5,357.28/x
  3. Step 3: Cross multiply
    9,130.93x = 12,601.65 × 5,357.28
  4. Step 4: Simplify right side
    9,130.93x = 67,510,567.51
  5. Step 5: Solve for x
    x = 67,510,567.51/9,130.93
  6. Step 6: Final answer
    x = 7,393.61

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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.