Home / 9,276.51-12,798.52-5,296.84

Finding the Fourth Proportional to 9,276.51, 12,798.52 and 5,296.84

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Solution

The fourth proportional to 9,276.51, 12,798.52 and 5,296.84 is: 7,307.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,276.51 : 12,798.52 = 5,296.84 : x
  2. Step 2: Convert to fraction form
    9,276.51/12,798.52 = 5,296.84/x
  3. Step 3: Cross multiply
    9,276.51x = 12,798.52 × 5,296.84
  4. Step 4: Simplify right side
    9,276.51x = 67,791,712.68
  5. Step 5: Solve for x
    x = 67,791,712.68/9,276.51
  6. Step 6: Final answer
    x = 7,307.89

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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.