Home / 9,248.78-12,762.18-5,269.40

Finding the Fourth Proportional to 9,248.78, 12,762.18 and 5,269.40

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Solution

The fourth proportional to 9,248.78, 12,762.18 and 5,269.40 is: 7,271.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,248.78 : 12,762.18 = 5,269.40 : x
  2. Step 2: Convert to fraction form
    9,248.78/12,762.18 = 5,269.40/x
  3. Step 3: Cross multiply
    9,248.78x = 12,762.18 × 5,269.40
  4. Step 4: Simplify right side
    9,248.78x = 67,249,031.29
  5. Step 5: Solve for x
    x = 67,249,031.29/9,248.78
  6. Step 6: Final answer
    x = 7,271.12

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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.