Home / 7,587.28-11,386.08-4,656.64

Finding the Fourth Proportional to 7,587.28, 11,386.08 and 4,656.64

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Solution

The fourth proportional to 7,587.28, 11,386.08 and 4,656.64 is: 6,988.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,587.28 : 11,386.08 = 4,656.64 : x
  2. Step 2: Convert to fraction form
    7,587.28/11,386.08 = 4,656.64/x
  3. Step 3: Cross multiply
    7,587.28x = 11,386.08 × 4,656.64
  4. Step 4: Simplify right side
    7,587.28x = 53,020,875.57
  5. Step 5: Solve for x
    x = 53,020,875.57/7,587.28
  6. Step 6: Final answer
    x = 6,988.13

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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.