Home / 7,030.98-9,701.88-3,887.16

Finding the Fourth Proportional to 7,030.98, 9,701.88 and 3,887.16

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Solution

The fourth proportional to 7,030.98, 9,701.88 and 3,887.16 is: 5,363.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,030.98 : 9,701.88 = 3,887.16 : x
  2. Step 2: Convert to fraction form
    7,030.98/9,701.88 = 3,887.16/x
  3. Step 3: Cross multiply
    7,030.98x = 9,701.88 × 3,887.16
  4. Step 4: Simplify right side
    7,030.98x = 37,712,759.86
  5. Step 5: Solve for x
    x = 37,712,759.86/7,030.98
  6. Step 6: Final answer
    x = 5,363.80

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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.