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Finding the Fourth Proportional to 7,607.51, 11,402.89 and 4,973.93

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Solution

The fourth proportional to 7,607.51, 11,402.89 and 4,973.93 is: 7,455.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,607.51 : 11,402.89 = 4,973.93 : x
  2. Step 2: Convert to fraction form
    7,607.51/11,402.89 = 4,973.93/x
  3. Step 3: Cross multiply
    7,607.51x = 11,402.89 × 4,973.93
  4. Step 4: Simplify right side
    7,607.51x = 56,717,176.66
  5. Step 5: Solve for x
    x = 56,717,176.66/7,607.51
  6. Step 6: Final answer
    x = 7,455.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.