Home / 7,307.58-10,959.75-4,386.72

Finding the Fourth Proportional to 7,307.58, 10,959.75 and 4,386.72

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Solution

The fourth proportional to 7,307.58, 10,959.75 and 4,386.72 is: 6,579.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,307.58 : 10,959.75 = 4,386.72 : x
  2. Step 2: Convert to fraction form
    7,307.58/10,959.75 = 4,386.72/x
  3. Step 3: Cross multiply
    7,307.58x = 10,959.75 × 4,386.72
  4. Step 4: Simplify right side
    7,307.58x = 48,077,354.52
  5. Step 5: Solve for x
    x = 48,077,354.52/7,307.58
  6. Step 6: Final answer
    x = 6,579.11

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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.