Home / 6,977.52-9,619.02-4,987.35

Finding the Fourth Proportional to 6,977.52, 9,619.02 and 4,987.35

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Solution

The fourth proportional to 6,977.52, 9,619.02 and 4,987.35 is: 6,875.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,977.52 : 9,619.02 = 4,987.35 : x
  2. Step 2: Convert to fraction form
    6,977.52/9,619.02 = 4,987.35/x
  3. Step 3: Cross multiply
    6,977.52x = 9,619.02 × 4,987.35
  4. Step 4: Simplify right side
    6,977.52x = 47,973,419.40
  5. Step 5: Solve for x
    x = 47,973,419.40/6,977.52
  6. Step 6: Final answer
    x = 6,875.43

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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.