Home / 7,687.09-10,603.76-4,853.45

Finding the Fourth Proportional to 7,687.09, 10,603.76 and 4,853.45

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Solution

The fourth proportional to 7,687.09, 10,603.76 and 4,853.45 is: 6,694.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,687.09 : 10,603.76 = 4,853.45 : x
  2. Step 2: Convert to fraction form
    7,687.09/10,603.76 = 4,853.45/x
  3. Step 3: Cross multiply
    7,687.09x = 10,603.76 × 4,853.45
  4. Step 4: Simplify right side
    7,687.09x = 51,464,848.51
  5. Step 5: Solve for x
    x = 51,464,848.51/7,687.09
  6. Step 6: Final answer
    x = 6,694.98

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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.