Home / 7,826.08-10,798.48-5,031.20

Finding the Fourth Proportional to 7,826.08, 10,798.48 and 5,031.20

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Solution

The fourth proportional to 7,826.08, 10,798.48 and 5,031.20 is: 6,942.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,826.08 : 10,798.48 = 5,031.20 : x
  2. Step 2: Convert to fraction form
    7,826.08/10,798.48 = 5,031.20/x
  3. Step 3: Cross multiply
    7,826.08x = 10,798.48 × 5,031.20
  4. Step 4: Simplify right side
    7,826.08x = 54,329,312.58
  5. Step 5: Solve for x
    x = 54,329,312.58/7,826.08
  6. Step 6: Final answer
    x = 6,942.08

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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.