Home / 9,070.79-12,511.67-5,483.40

Finding the Fourth Proportional to 9,070.79, 12,511.67 and 5,483.40

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Solution

The fourth proportional to 9,070.79, 12,511.67 and 5,483.40 is: 7,563.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,070.79 : 12,511.67 = 5,483.40 : x
  2. Step 2: Convert to fraction form
    9,070.79/12,511.67 = 5,483.40/x
  3. Step 3: Cross multiply
    9,070.79x = 12,511.67 × 5,483.40
  4. Step 4: Simplify right side
    9,070.79x = 68,606,416.94
  5. Step 5: Solve for x
    x = 68,606,416.94/9,070.79
  6. Step 6: Final answer
    x = 7,563.45

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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.