Home / 8,307.98-11,462.14-5,325.45

Finding the Fourth Proportional to 8,307.98, 11,462.14 and 5,325.45

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Solution

The fourth proportional to 8,307.98, 11,462.14 and 5,325.45 is: 7,347.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,307.98 : 11,462.14 = 5,325.45 : x
  2. Step 2: Convert to fraction form
    8,307.98/11,462.14 = 5,325.45/x
  3. Step 3: Cross multiply
    8,307.98x = 11,462.14 × 5,325.45
  4. Step 4: Simplify right side
    8,307.98x = 61,041,026.84
  5. Step 5: Solve for x
    x = 61,041,026.84/8,307.98
  6. Step 6: Final answer
    x = 7,347.28

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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.