Home / 6,603.58-9,904.29-1,985.50

Finding the Fourth Proportional to 6,603.58, 9,904.29 and 1,985.50

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Solution

The fourth proportional to 6,603.58, 9,904.29 and 1,985.50 is: 2,977.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,603.58 : 9,904.29 = 1,985.50 : x
  2. Step 2: Convert to fraction form
    6,603.58/9,904.29 = 1,985.50/x
  3. Step 3: Cross multiply
    6,603.58x = 9,904.29 × 1,985.50
  4. Step 4: Simplify right side
    6,603.58x = 19,664,967.80
  5. Step 5: Solve for x
    x = 19,664,967.80/6,603.58
  6. Step 6: Final answer
    x = 2,977.93

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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.